HackingEducationEducationStolen CredentialsEmployee Data InvolvedDelayed DiscoveryIdentity (basic)Government IDMediumContained

Humboldt County Office of Education

bd_ca625a77b868c54d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 28, 2024

Filed

May 13, 2025

To disclose

46 weeks

Affected

Not disclosed

Confidence

65%

Full breach record for Humboldt County Office of Education →

Humboldt County Office of Education experienced unauthorized access to employee email accounts from May 25, 2024, to June 27, 2024. The incident was discovered on June 28, 2024. Affected data included names and Social Security numbers. The organization engaged third-party cybersecurity specialists, secured the email environment, and offered 12 months of complimentary credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

California clockDiscovered Jun 28, 2024 → Notified May 13, 2025319d ✗ CA 60-day late46 weeks discovery → filing

Incident timeline

undetected · 34 days

discovery → filing · 46 weeks / 319 days

May 25, 2024

Begins

Jun 28, 2024

Discovered

May 13, 2025

Filed

vs. sector median

+37 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Humboldt County Office of Education
norm: humboldt county office of education
Domain: hcoe.org

Name: Humboldt County Office of Education
norm: humboldt county office of education
Domain: hcoe.org
Industry: Educationllm

Discovered: Jun 28, 2024
Breach occurred: May 25, 2024 – Jun 27, 2024
Undetected for: 34 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 13, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Engaged third-party cybersecurity specialists to assist with determining the nature and scope of the incident
Took immediate action to secure our email environment
Launched a thorough investigation
Conducted a comprehensive review of the relevant information to determine the types of information present and to whom the information related
Arranged for you to enroll, at no cost to you, in an online credit monitoring service for 12 months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 46 weeks(319 days from discovery to filing)
Compliance flags: CA 60-day late · 319d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jun 28, 2024
→ Notified: May 13, 2025
319d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jun 28, 2024 → Notified: May 13, 2025	319d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-602639
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 13, 2025
Raw hash: c65e95018f07821692545ad8baa05ed6715c6c075f9402ccf799c354cadf4501

Reporting entityHumboldt County Office of Education

Victim entityHumboldt County Office of Education

Incidentdiscovered Jun 28, 2024

Stated responseEngaged third-party cybersecurity specialists to assist with determining the nature and scope of the incident

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov